Configuring discard routes for summary networks

Perform this task on an ABR or ASBR to specify whether to generate discard routes for summary networks. You can also specify a preference for the discard routes.

Step	Command	Remarks
1. Enter system view.	system-view	N/A
2. Enter OSPF view.	ospf [ process-id \| router-id router-id \| vpn-instance vpn-instance-name ] *	N/A
3. Configure discard routes for summary networks.	discard-route { external { preference \| suppression } \| internal { preference \| suppression } } *	By default: The ABR or ASBR generates discard routes for summary networks. The preference of discard routes is 255.

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter OSPF view.

ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] *

N/A

3. Configure discard routes for summary networks.

discard-route { external { preference | suppression } | internal { preference | suppression } } *

By default:

The ABR or ASBR generates discard routes for summary networks.
The preference of discard routes is 255.

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Setting OSPF preference	home	Configuring OSPF route redistribution